What is the Least Common Multiple of 64690 and 64709?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 64690 and 64709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64690 and 64709, than apply into the LCM equation.

GCF(64690,64709) = 1
LCM(64690,64709) = ( 64690 × 64709) / 1
LCM(64690,64709) = 4186025210 / 1
LCM(64690,64709) = 4186025210

Least Common Multiple (LCM) of 64690 and 64709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64690 and 64709. First we will calculate the prime factors of 64690 and 64709.

Prime Factorization of 64690

Prime Factorization of 64709

Now multiplying the highest exponent prime factors to calculate the LCM of 64690 and 64709.

LCM(64690,64709) = 2¹ × 5¹ × 6469¹ × 64709¹
LCM(64690,64709) = 4186025210